NEET-PG 2015

1414 Questions — Page 63 of 142

Community Medicine

6 questions

Q621

What is the nutritional contribution of the Mid-Day Meal Scheme in terms of pulses?

Q622

What distance from a water source defines a problem village according to the Government of India?

Q623

Which of the following statements is incorrect regarding the strategic plan for malaria control 2012-2017?

Q624

What term is used for a patient who is kept under observation in a hospital for a short period (typically less than 48 hours) to determine if formal admission is necessary?

Q625

Under NTEP, what is the honorarium given to a DOTS provider after the completion of treatment?

Q626

At what fluoride concentration in drinking water does skeletal fluorosis typically occur?

NEET-PG 2015 - Community Medicine NEET-PG Practice Questions and MCQs

Question 621: What is the nutritional contribution of the Mid-Day Meal Scheme in terms of pulses?

A. Provides 30% of daily protein needs
B. Provides 30 gm of pulses per day (Correct Answer)
C. Provides 50% of daily energy needs
D. None of the options

Explanation: ***Provides 30 gm of pulses per day*** - The Mid-Day Meal Scheme specifies the provision of **30 grams of pulses** daily for **upper primary classes (VI-VIII)**, and 20 grams for primary classes (I-V), contributing to protein intake. - This quantity ensures a consistent supply of **plant-based protein** as part of a balanced diet for schoolchildren. - The question refers to the commonly cited **30g standard for upper primary**, which is the most frequently referenced figure in examinations. *Provides 30% of daily protein needs* - While pulses contribute to protein intake, specifying a fixed **30% of daily protein needs** is not a direct nutritional guideline of the scheme for pulses alone. - The scheme focuses on providing a certain **quantity of pulses in grams**, from which the protein contribution is derived. *Provides 50% of daily energy needs* - The Mid-Day Meal Scheme aims to provide **300 kcal for primary** and **700 kcal for upper primary classes**, but this is derived from the entire meal composition (cereals, pulses, vegetables), not just pulses. - The scheme's **energy contribution** is holistic and represents approximately 33% of daily energy requirements, not 50%. *None of the options* - One of the provided options accurately reflects a specific guideline of the Mid-Day Meal Scheme regarding pulses. - The scheme has clear stipulations for the **quantity of pulses in grams** to be served.

Question 622: What distance from a water source defines a problem village according to the Government of India?

A. > 0.5 km
B. > 1 km
C. > 1.6 km (Correct Answer)
D. None of the options

Explanation: ***> 1.6 km*** - According to the **Government of India's criteria**, a village is designated as a **problem village** if its residents have to travel more than **1.6 kilometers** to access a safe and assured source of drinking water. - This definition is crucial for identifying areas that require specific interventions and programs to improve water access. *> 0.5 km* - While a distance of 0.5 km might be considered inconvenient, it does not meet the **official threshold** set by the Government of India for categorizing a village as "problematic" regarding water access. - This distance is typically much shorter than the criteria used for policy and intervention planning. *> 1 km* - A distance of 1 km, like 0.5 km, falls short of the **established benchmark** of 1.6 km defined by the Government of India for identifying a problem village. - Although it represents a significant walk, it does not trigger the specific **policy responses** associated with problem village status. *None of the options* - This option is incorrect because **1.6 km** is indeed the specific distance recognized by the Government of India for defining a problem village in terms of water source accessibility. - The other options are incorrect as they do not match the official criteria.

Question 623: Which of the following statements is incorrect regarding the strategic plan for malaria control 2012-2017?

A. 50% reduction in mortality by 2017
B. Objective is API < 1 per 10,000 (Correct Answer)
C. Complete treatment to 100% of patients
D. Annual incidence < 1 per 1000 by 2017

Explanation: ***Objective is API < 1 per 10,000*** - The correct objective for the **Annual Parasite Incidence (API)** in the 2012-2017 strategic plan for malaria control was to reduce it to **less than 1 per 1,000 population**, not 1 per 10,000, making this statement incorrect. - This metric measures the number of new malaria cases per 1,000 people per year. *50% reduction in mortality by 2017* - A key objective of the **National Framework for Malaria Elimination in India** (which this strategic plan aimed to contribute to) was indeed to achieve a significant reduction in malaria-related mortality. - Specifically, aiming for a **50% reduction in mortality** by 2017 was a stated goal to lessen the disease burden. *Annual incidence < 1 per 1000 by 2017* - One of the primary goals of the **Malaria Control Strategic Plan 2012-2017** was to reduce the annual parasite incidence (API) to **less than 1 per 1,000 population** in all endemic areas. - This target focused on decreasing the occurrence of new malaria cases. *Complete treatment to 100% of patients* - A core component of malaria control strategies emphasizes ensuring that **all confirmed malaria cases** receive complete and effective treatment. - Achieving **100% complete treatment adherence** is crucial to prevent drug resistance and eliminate the parasite reservoir.

Question 624: What term is used for a patient who is kept under observation in a hospital for a short period (typically less than 48 hours) to determine if formal admission is necessary?

A. Inpatient
B. Outpatient
C. Urgent care patient
D. Observation status (Correct Answer)

Explanation: ***Observation status*** - Patients under **observation status** are monitored in a hospital setting for a short period (typically less than 24-48 hours) to determine if inpatient admission is necessary. - This status is used when the medical condition is uncertain, requiring further evaluation and diagnostic tests to guide treatment decisions. *Inpatient* - An **inpatient** is formally admitted to the hospital for an expected stay of more than 24 hours, often requiring a hospital bed overnight. - This classification is associated with specific billing and care delivery models distinct from observation status. *Outpatient* - An **outpatient** receives medical care at a hospital, clinic, or doctor's office without being admitted for an overnight stay. - Examples include routine check-ups, specialist consultations, and minor surgical procedures performed on the same day. *Urgent care patient* - An **urgent care patient** receives immediate medical attention for illnesses or injuries that are not life-threatening but require prompt treatment. - This care is typically provided in an urgent care clinic, not usually in a hospital setting for 24-hour observation.

Question 625: Under NTEP, what is the honorarium given to a DOTS provider after the completion of treatment?

A. 150 INR
B. 500 INR (Correct Answer)
C. 1000 INR
D. 250 INR

Explanation: ***500 INR*** - Under the **National Tuberculosis Elimination Programme (NTEP)**, a **DOTS provider** receives an honorarium of **INR 500** upon the successful completion of tuberculosis treatment for a **new TB patient**. - This incentive, revised from the earlier amount of INR 250, aims to recognize the crucial role of DOTS providers in ensuring treatment adherence and successful outcomes. - The increased honorarium reflects the government's commitment to incentivizing community participation in TB elimination. *150 INR* - This amount is **significantly lower than the stipulated honorarium** for a DOTS provider upon treatment completion under current NTEP guidelines. - The correct incentive for successful completion of treatment is INR 500 for new TB cases. *250 INR* - This was the **earlier honorarium amount** under the previous NTEP guidelines, which has since been **revised upward**. - Under the current NTEP incentive structure, the honorarium for treatment completion has been increased to INR 500. *1000 INR* - This amount is **higher than the designated honorarium** for a DOTS provider upon treatment completion under NTEP. - While this figure may apply to other incentive schemes or different milestones, the standard honorarium for new TB case completion is INR 500.

Question 626: At what fluoride concentration in drinking water does skeletal fluorosis typically occur?

A. < 1.5 mg/L
B. 1.5-3 mg/L
C. 3-6 mg/L (Correct Answer)
D. > 10 mg/L

Explanation: ***3-6 mg/L*** - Chronic exposure to drinking water with **fluoride concentrations of 3-6 mg/L** represents the **threshold range** where **early skeletal fluorosis** begins to manifest. - At concentrations **≥4 mg/L**, fluoride accumulation in bones exceeds the body's excretory capacity, leading to **increased bone density, osteosclerosis**, and early symptoms like **joint stiffness and bone pain**. - This range captures the **onset of skeletal manifestations**, though more severe changes occur at higher concentrations. *< 1.5 mg/L* - This range is **optimal for preventing dental caries** without causing adverse effects. - Fluoride concentrations below 1.5 mg/L are **safe** and do not cause skeletal or dental fluorosis. - Many water fluoridation programs target **0.5-1.0 mg/L** for dental health benefits. *1.5-3 mg/L* - This range primarily causes **dental fluorosis** (enamel mottling and discoloration) with chronic exposure, especially during tooth development. - **Skeletal fluorosis does not typically occur** at these concentrations, as the threshold for bone involvement is higher. - This is considered the range for cosmetic concerns rather than systemic skeletal disease. *> 10 mg/L* - Concentrations exceeding 10 mg/L lead to **severe, crippling skeletal fluorosis** with marked bone deformities, ligament calcification, and potential neurological complications. - This represents **advanced disease** rather than the typical onset of skeletal fluorosis. - Such high concentrations are found in endemic fluorosis regions with contaminated groundwater.

ENT

1 questions

Q621

Which of the following statements about malignant otitis externa is true?

Microbiology

3 questions

Q621

Which organism is considered the PRIMARY prototype for Ziehl-Neelsen (acid-fast) staining identification?

Q622

Viral DNA is integrated into Bacterial DNA in:

Q623

What is the primary use of the freezing method in microbiology?

NEET-PG 2015 - Microbiology NEET-PG Practice Questions and MCQs

Question 621: Which organism is considered the PRIMARY prototype for Ziehl-Neelsen (acid-fast) staining identification?

A. Escherichia coli
B. Mycobacterium tuberculosis (Correct Answer)
C. Streptococcus pneumoniae
D. Clostridium difficile

Explanation: ***Mycobacterium tuberculosis*** - The **Ziehl-Neelsen (ZN) stain** is the classic **acid-fast staining** technique used to identify **Mycobacterium species**, particularly **M. tuberculosis** - **Mycobacteria** possess high content of **mycolic acid** (60-90 carbon fatty acids) in their cell wall, making them resistant to decolorization by acid-alcohol - After staining with **carbol fuchsin** (heated), acid-fast bacilli retain the **red/pink color** while non-acid-fast organisms are decolorized and counterstained blue - M. tuberculosis is the **prototype organism** for acid-fast staining and remains the primary clinical application of ZN stain - **Note:** Modified ZN stain (using weaker 1% H2SO4) is used for **weakly acid-fast organisms** like Nocardia and Cryptosporidium *Streptococcus pneumoniae* - This is a **Gram-positive coccus** identified by **Gram staining**, not acid-fast staining - Appears as lancet-shaped diplococci on Gram stain - Lacks mycolic acid in cell wall and cannot retain carbol fuchsin after acid-alcohol decolorization *Escherichia coli* - This is a **Gram-negative bacillus** with thin peptidoglycan layer and outer membrane - Identified by **Gram staining** (appears pink/red) and biochemical tests - Not acid-fast and would be completely decolorized in ZN staining procedure *Clostridium difficile* - This is an **anaerobic, Gram-positive, spore-forming bacillus** - Identified by **Gram staining** and anaerobic culture - Lacks mycolic acid and acid-fast properties, making it unsuitable for ZN staining

Question 622: Viral DNA is integrated into Bacterial DNA in:

A. Lysogenic cycle (Correct Answer)
B. Bacterial transduction
C. Bacterial transformation
D. Bacterial conjugation

Explanation: ***Lysogenic cycle*** - In the **lysogenic cycle**, the **bacteriophage DNA integrates** into the host bacterial chromosome, becoming a **prophage**. - This integration allows the viral genome to be **replicated along with the host DNA** without immediately lysing the cell. *Bacterial transduction* - **Transduction** involves the transfer of **bacterial DNA** from one bacterium to another via a bacteriophage, not the integration of viral DNA into the host genome. - While phages are involved, the primary event is the accidental packaging and transfer of bacterial genes, not viral integration into the host for replication. *Bacterial transformation* - **Transformation** is the process where bacteria take up **naked DNA from their environment** and incorporate it into their own genome. - This DNA is typically from another bacterium or is artificially introduced, not viral DNA undergoing a natural integration process within the cell. *Bacterial conjugation* - **Conjugation** is the transfer of genetic material (usually a **plasmid**) between bacteria through direct cell-to-cell contact, mediated by a **pilus**. - This process involves the transfer of bacterial or plasmid DNA, not the integration of a viral genome into the host chromosome.

Question 623: What is the primary use of the freezing method in microbiology?

A. Sterilization of heat-sensitive materials using freezing
B. Killing bacteria at high temperatures
C. Stimulating the growth of microorganisms
D. Preservation of microorganisms through freezing (Correct Answer)

Explanation: ***Preservation of microorganisms through freezing*** - The **frozen phenomenon** or **cryopreservation** is primarily used to maintain the viability and genetic integrity of microbial cultures over long periods. - This involves rapidly freezing microorganisms, often with cryoprotectants like **glycerol** or **DMSO**, to minimize cell damage from ice crystal formation. *Sterilization of heat-sensitive materials using freezing* - Freezing is **not a reliable sterilization method** as it does not consistently kill all microbial life, especially bacterial spores. - While freezing inhibits microbial growth, it does not achieve the complete eradication required for **sterilization**. *Killing bacteria at high temperatures* - Killing bacteria at high temperatures is achieved through methods like **autoclaving** or **pasteurization**, not freezing. - High temperatures denature microbial proteins and damage cell structures, leading to cell death. *Stimulating the growth of microorganisms* - Freezing generally **inhibits microbial growth** and metabolism, putting microorganisms into a dormant state. - Growth stimulation typically involves providing optimal **nutrients, temperature, and atmospheric conditions** for replication.